smughorse27 smughorse27

14-12-2022
Chemistry

contestada

Help me please could someone explain how to do the equation.
Calculate the mass of Na2CO3 needed to make 250 mL of a 0.2 M solution of sodium carbonate. Enter your answer in the space provided.

Respuesta :

Otras preguntas

If x = -5, then |x - 7| = A: -12 B: 2 C: 12 D: -2

Lines p and n lie in the standard (x,y) coordinate plane. An equation for line p is y = 0.12x + 3,000. The slope of line n is 0.1 greater than the slope of line

If x = 3 and y = -1, then 3x2 + 2xy - 5 = ? A: 18 B: 24 C: 12 D: 16

Prove the following identity :Sin α . Cos α . Tan α = (1 – Cos α) (1 + Cos α)

Why does the octopus make a " screen" ?

which of the following is a probable source of earths magnetic field? A. the sun B. the earths tides C. earths outer iron core D. the moon

The graph of y = −5x^2 + 9 passes through (1,2a) in the standard (x,y) coordinate plane. What is the value of a ? F. 2 G. 4 H. 7 J. −1 K. −8

why do you think accurate measurement of time became possible much after accurate measurement of length and mass

How do you change 26.25% into a number

what does it mean to 'stay the course'?